CVE-2011-0495 Memory corruption in n/a

What is CVE-2011-0495?

CVE-2011-0495 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 20 Jan 2011. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Stack-based buffer overflow in the ast_uri_encode function in main/utils.c in Asterisk Open Source before 1.4.38.1, 1.4.39.1, 1.6.1.21, 1.6.2.15.1, 1.6.2.16.1, 1.8.1.2, 1.8.2.; and Business Edition before C.3.6.2; when running in pedantic mode allows remote authenticated users to execute arbitrary code via crafted caller ID data in vectors involving the (1) SIP channel driver, (2) URIENCODE dialplan function, or (3) AGI dialplan function.

Weakness: CWE-787

Which versions are affected by CVE-2011-0495?

It affects 5 products.

Products include Debian Debian Linux, Digium Asterisk, Digium Asterisknow, Digium S800i Firmware, Fedoraproject Fedora.

How do I fix CVE-2011-0495?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2011-0495 being exploited?

There is no known exploitation of CVE-2011-0495 in the wild and no public exploit code.

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• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2011-0495, DSA-2171-1, GHSA-27ph-x57w-v4gm.